US20070027003A1 - Exercise treadmill - Google Patents
Exercise treadmill Download PDFInfo
- Publication number
- US20070027003A1 US20070027003A1 US11/340,168 US34016806A US2007027003A1 US 20070027003 A1 US20070027003 A1 US 20070027003A1 US 34016806 A US34016806 A US 34016806A US 2007027003 A1 US2007027003 A1 US 2007027003A1
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- US
- United States
- Prior art keywords
- rod
- belt
- treadmill
- protrusion means
- operatively connected
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B22/00—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements
- A63B22/02—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements with movable endless bands, e.g. treadmills
- A63B22/0235—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements with movable endless bands, e.g. treadmills driven by a motor
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B22/00—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements
- A63B22/02—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements with movable endless bands, e.g. treadmills
- A63B22/0207—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements with movable endless bands, e.g. treadmills having shock absorbing means
- A63B22/0221—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements with movable endless bands, e.g. treadmills having shock absorbing means on the frame supporting the rollers
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B2220/00—Measuring of physical parameters relating to sporting activity
- A63B2220/70—Measuring or simulating ambient conditions, e.g. weather, terrain or surface conditions
- A63B2220/76—Wind conditions
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B2225/00—Miscellaneous features of sport apparatus, devices or equipment
- A63B2225/30—Maintenance
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B2230/00—Measuring physiological parameters of the user
- A63B2230/04—Measuring physiological parameters of the user heartbeat characteristics, e.g. ECG, blood pressure modulations
- A63B2230/06—Measuring physiological parameters of the user heartbeat characteristics, e.g. ECG, blood pressure modulations heartbeat rate only
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S482/00—Exercise devices
- Y10S482/908—Adjustable
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S482/00—Exercise devices
- Y10S482/909—Mechanical indicator
Abstract
Description
- This application claims priority from a provisional patent application having Ser. No. 60/704,303, which was filed Aug. 1, 2005. This application also claims priority from a provisional patent application having
serial number 60/710,758, which was filed Aug. 24, 2005. Both provisional patent applications are incorporated herein by reference. - A. Field of Invention
- This invention pertains to the art of methods and apparatuses for exercise treadmills. More specifically, it pertains to apparatuses and methods for various features of exercise treadmills, including but not limited to, one touch program buttons, a belt tensioning device, resilient support members to provide shock absorption, and mechanisms for easy treadmill maintenance.
- B. Description of the Related Art
- It is known in the art that exercise combined with a well balanced diet is important for good general health. Many exercise through various means including working out at home, taking advantage of good weather by jogging or walking outside, and many frequent their local gym. Regardless of the location, walking, jogging, and running are some of the most common and popular methods of achieving a cardiovascular work-out. For the exerciser's convenience, a treadmill is often utilized at home or at a gym. Treadmills to date, have served their intended purpose. They provide a variety of functions, including various speeds, various deck inclination, shock absorption, and even foldability for easy storage when the treadmill is not in use. However, despite the numerous features found in treadmills today, many problems still exist with respect to programming keys, treadmill maintenance, and the ability to maintain proper tension on the treadmill belt.
- With respect to programming keys on a console, normally, there are pictures of various programs on the console. As a user chooses which program to use, they must press a “select” key and then an “enter” key. The user may also need to use arrows keys to scroll through the various program choices. This may become cumbersome and frustrating to the user as they try to switch between programs. As such, there is a need in the art to construct a console for a treadmill that has one-touch programmability.
- Another problem in the art is the ability to maintain proper belt tension on the treadmill belt. To date, there are mechanisms available to tighten the belt by increasing the distance between the front and rear roller. Usually, it is the rear roller that is adjusted while the front roller remains stationary. It is difficult to use because current devices utilize Allen screws. In some embodiments, the user has two allen screws. One has to be turned clockwise, and the other has to be turned counterclockwise. One of the problems associated with these designs is the awkwardness of fitting an allen wrench into the screws for adjustment.
- Another problem with belt tensioning devices is the lack of a visual indicator. Without a visual indicator, a consumer can easily over tighten one side of the rear roller so that it is farther or closer than the other side. If one of the treadmill rollers is even a little bit off, meaning not parallel with the other roller, it can cause the belt to wander and the motor to overstress. By providing a visual indicator on both sides of the roller, the user can easily adjust the distance between the rollers for even belt tension. By providing instant feedback to the user, the adjustment is easy and no guesswork is required.
- Still yet, another problem faced by treadmill users is maintenance. Over time, belts need to be lubricated in order to reduce friction between the belt and the deck. The difficulty in lubricating the belt is obtaining access to the deck. Normally, when a user decides to clean the underside of a deck, the preferred method is to lift the belt, which may cause the belt to stretch, and to slide something underneath it. More and more treadmills are manufactured where one side of the belt actually disappears under the side paneling. Because the belt is trained around the rollers at high tension, it is very difficult to access the deck without torquing the belt, stretching the belt, or causing the belt to lift up. As such, there is a need in the art to provide access to the belt so that it can be easily lubricated without compromising the characteristics of the belt.
- According to one aspect of the present invention, a new and improved exercise treadmill is provided which comprises a frame having a first end and a second end, wherein the second end is parallel to the first end. Two side rails interconnect the first and second ends of the frame. The treadmill may further comprise a motor in order to drive a belt, which is trained over a front roller and a rear roller. A deck is positioned underneath a top run of the belt in order to support the user. At the first end of the treadmill, first and second arms extend upwardly and terminate in the protective shroud. The shroud may further comprise a console which contains push buttons for operating various programs while using the treadmill. The treadmill may further comprise two handles, which extend parallel to the deck.
- One object of the present invention is to provide a treadmill that may comprise a console that may have programs which may be started by pushing one button.
- It is another object of the present invention to provide a belt tensioning device, which provides a visual indicator so that the rear roller may be moved on each end in equal distance relative to the front roller.
- It is yet another object of the present invention to provide a belt tensioning mechanism, wherein the rear roller may be displaced by turning a knob at the end of the treadmill.
- Another object of the present invention is to provide a belt tensioning mechanism, where the visual indication may be by a scale having indicia, such as letters or numbers.
- It is yet another object of the present invention to provide a treadmill that has a visual indicator that is digital.
- It is yet another object of the present invention to provide an exercise treadmill which comprises a space within or beside the side rails so that an extended member may be easily inserted beneath the belt and over the deck in order to lubricate the belt.
- It is yet another object of the present invention to provide an exercise treadmill that may have a maintenance mechanism that comprises a wiper, which may be selectively positioned in order to remove dust and other debris off the underside of the belt.
- Another object of the present invention is to provide an exercise device, comprising a frame, a rod operatively connected to the frame, protrusion means for turning the rod; and, an indicator adapted to track the number of revolutions of the rod.
- Still, another object of the present invention is to provide an exercise device, wherein the rod, the protrusion means, and the indicator may be positioned on one side of the exercise device, the exercise device may further comprise a second rod, second protrusion means for turning the second rod, and a second indicator adapted to track the number of revolutions of the second rod.
- Further, another object of the present invention is to provide an exercise device, wherein the second rod, the second protrusion means, and the second indicator may be laterally spaced from the first rod, the protrusion means and the indicator.
- Another object of the present invention is to provide an exercise device, wherein the exercise device may be a treadmill having a front roller and a rear roller, the front roller and the rear roller being substantially parallel, wherein the rods, the protrusion means and the visual indicators may be adapted to change the distance between the front roller and the rear roller.
- Further yet, another object of the present invention is to provide an exercise device, wherein the protrusion means may be a knob.
- Yet another object of the present invention is to provide an exercise device, wherein the protrusion means may extend outwardly from the frame such that the protrusion means may be turned without an associated tool.
- Still, another object of the present invention is to provide an exercise device wherein the protrusion means may extend outwardly from the frame about ½ an inch.
- It is yet another object of the present invention is to provide an exercise device, wherein the indicator may further comprise indicia and an indication member adapted to move relative to the indicia.
- Yet another object of the present invention is to provide an exercise device, wherein the indicia may be an alphanumeric scale.
- Further, another object of the present invention is to provide an exercise device, wherein at least part of the indicator may be digital.
- Still another object of the present invention is to provide an exercise device, wherein the exercise device may be a treadmill.
- It is yet another object of the present invention to provide a treadmill, which may comprise a frame having a first side rail and a second side rail, wherein the second side rail is oppositely disposed from the first side rail; a front roller; a rear roller; a deck; a belt trained around the front roller and the rear roller, a portion of the belt positioned over the deck; a first belt tensioning mechanism, which may comprise a first rod operatively connected to the first side rail; first protrusion means for turning the first rod; and, a first visual indicator adapted to track the number of revolutions of the first rod; a second belt tensioning mechanism, which may comprise a second rod operatively connected to the second side rail; second protrusion means for turning the second rod; and, a second visual indicator adapted to track the number of revolutions of the second rod.
- Another object of the present invention is to provide a treadmill wherein the first belt tensioning device and the second belt tensioning device may be adapted to maintain the rear roller substantially parallel to the front roller.
- Still another object of the present invention is to provide a treadmill, wherein the rear roller may be adapted to move laterally relative to the front roller.
- Further another object of the present invention is to provide a treadmill, wherein the first protrusion means may be a rotatable knob.
- Further yet, another object of the present invention to provide a treadmill, wherein each of the rollers may have an axle passing though a longitudinal axis, the axle having first and second ends, the first end and the second end having a hole defined therein, wherein the first protrusion means and the second protrusion means each comprising a knob having the rod extending therefrom, the rod adapted to pass through the respective holes of the axle.
- Yet another object of the present invention to provide a treadmill, wherein the first visual indicator may further comprise indicia and an indication member adapted to move relative to the indicia, the indication member operatively connected to the first end of the axle.
- Further, another object of the present invention is to provide a treadmill, wherein the indication member may comprise a substantially horizontal base operatively connected to the first end of the axle; an upwardly extending portion operatively connected to the base; and a substantially horizontal pointer operatively connected to the upwardly extending portion, the horizontal pointer adapted to be visibly located near the indicia.
- Another object of the present invention to provide a method for placing tension on a belt of an exercise device, the method may comprise the steps of:
- providing a frame having a first side rail and a second side rail, wherein the second side rails is oppositely disposed from the first side rail; a front roller; a rear roller; a deck; a belt trained around the front roller and the rear roller, a portion of the belt positioned over the deck; a first belt tensioning mechanism, comprising: a first rod operatively connected to the first side rail; first protrusion means for turning the first rod; and, a first visual indicator adapted to track the number of revolutions of the first rod; a second belt tensioning mechanism, comprising: a second rod operatively connected to the second side rail; second protrusion means for turning the second rod; and, a second visual indicator adapted to track the number of revolutions of the second rod;
- turning the first protrusion means;
- moving a first end of the rear roller away from the front roller;
- turning the second protrusion means;
- moving a second end of the rear roller away from the front roller; and,
- reading the first visual indicator and the second visual indicator so that a first end and a second end of the rear roller are substantially equidistant from a first end and a second end of the front roller.
- It is another object of the present invention to provide a method for placing tension on a belt of an exercise device, which may further comprise the step of turning the first protrusion means and/or the second protrusion means such that the first visual indicator and the second visual indicator show that the rear roller is substantially parallel to the front roller.
- Another object of the present invention is to provide a treadmill, which may comprise a frame having a front end and a rear end, and first and second side rails extending longitudinally between the front end and the rear end; a deck operatively connected to the frame; and a belt trained about a front roller and a rear roller, wherein the first side rail has a space defined therein, the space adapted to provide access for maintenance.
- Further another object of the present invention is to provide a treadmill which may comprise a wiper assembly operatively connected to the deck, the wiper assembly adapted to pivot relative to the belt such that a wiper selectively contacts an underside of the belt.
- Still another object of the present invention is to provide a treadmill, wherein an associated elongated strip may be inserted into the space and then between the deck and the belt so as to spread an associated lubricant between the deck and the belt.
- Still yet another object of the present invention is to provide a treadmill wherein the second side rail may have a space defined therein.
- Yet another object of the present invention is to provide a treadmill, wherein an associated elongated strip may be inserted into the space and then between the deck and the belt so that to spread a lubricant between the deck and the belt.
- Another object of the present invention is to provide a system for maintaining a treadmill, which may comprise a frame having a front end and a rear end, and first and second side rails extending longitudinally between the front end and the rear end; a deck operatively connected to the frame; and a belt trained about a front roller and a rear roller, wherein the first side rail has a space defined therein; and an elongated strip adapted to be inserted into the space and then between the deck and the belt so that to spread a lubricant between the deck and the belt.
- Further, another object of the present invention is to provide a system for maintaining a treadmill, wherein the elongated strip may have a length greater than or equal to the width of the belt.
- It is yet another object of the present invention is to provide a system for maintaining a treadmill, wherein the frame may further comprise a motor operatively connected to the frame, the motor adapted to move the belt, wherein the elongated strip is adapted to remain in the space and between the deck and the belt while the belt is rotating about the rollers.
- Still yet, another object of the present invention is to provide a system for maintaining a treadmill, and may further comprise a wiper assembly operatively connected to the deck, the wiper assembly adapted to pivot relative to the belt such that a wiper selectively contacts an underside of the belt. Another object of the present invention is to provide a method for lubricating a treadmill belt
- Further yet, another object of the present invention is to provide a system for maintaining a treadmill, wherein the space may have a width sized to receive the elongated strip so that the strip can only move in a transverse direction.
- Another object of the present invention is to provide a system for maintaining a treadmill, wherein the space may have a width sized to received the elongated strip so that the strip can move in transverse and longitudinal directions.
- Another object of the present invention is to provide a method for lubricating a treadmill belt, the method may comprise the steps of:
- providing a frame having a front end and a rear end, and first and second side rails extending longitudinally between the front end and the rear end; a deck operatively connected to the frame; and a belt trained about a front roller and a rear roller, wherein the first side rail has a space defined therein; and an elongated strip;
- inserting the elongated strip into the space;
- positioning the strip between the deck and the belt; and
- distributing lubricant.
- Further, another object of the present invention is to provide a method for lubricating a treadmill belt, wherein the belt has an outer surface, an inner surface, a top run, and a bottom run.
- Another object of the present invention is to provide a method for lubricating a treadmill belt, wherein the step of positioning the strip between the deck and the belt may further comprise positioning the strip between the inner surface of the top run of the belt and the deck.
- Still yet another object of the present invention is to provide a method for lubricating a treadmill belt, wherein the step of positioning the strip between the deck and the belt may further comprise positioning the strip between the deck and the inner surface of the bottom run.
- Yet another object of the present invention is to provide a method for lubricating a treadmill belt, wherein the step of distributing lubricant may further comprise the step of moving the elongated strip along a transverse axis.
- Another object of the present invention is to provide a method for lubricating a treadmill belt, wherein the step of distributing lubricant may further comprise the step of moving the elongated strip along a longitudinal axis.
- Still another object of the present invention is to provide a method for lubricating a treadmill belt, wherein the treadmill may further comprise a motor operatively connected to the frame to rotate one of the rollers so as to rotate the belt, wherein the step of distributing lubricant may further comprise distributing lubricant by rotating the belt while the motor is operating.
- Further another object of the present invention is to provide a method for lubricating a treadmill belt, which may further comprise a wiper assembly operatively connected to the deck, the wiper assembly comprising a wiper blade operatively connected to an elongated member and a handle operatively connected to the elongated member.
- Another object of the present invention is to provide a method for lubricating a treadmill belt, which may further comprise the steps of:
- pivoting the handle, pivoting the elongated member; and
- pivoting the wiper blade such that the wiper blade selectively contacts an underside of the belt; and
- removing debris from the underside of the belt.
- Still other benefits and advantages of the invention will become apparent to those skilled in the art to which it pertains upon a reading and understanding of the following detailed specification.
- The invention may take physical form in certain parts and arrangement of parts, a preferred embodiment of which will be described in detail in this specification and illustrated in the accompanying drawings which form a part hereof and wherein:
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FIG. 1 is a side view of the present invention. -
FIG. 2 is a top view of the present invention. -
FIG. 3 is a top segmented view of the present invention. -
FIG. 4 is a side view ofFIG. 3 . -
FIG. 5 is exploded perspective view of one feature of the present invention. -
FIG. 6 is top view of one feature of the present invention. -
FIG. 7 is a left elevational view ofFIG. 6 . -
FIG. 8 is a cross-sectional view ofFIG. 6 . -
FIG. 9 is a top perspective view of the present invention. -
FIG. 10 is a segmented perspective view of the present invention. -
FIG. 11 is another segmented perspective view of the present invention. -
FIG. 12 is an exploded perspective view of one feature of the present invention. -
FIG. 13 is a top view of another feature of the present invention. -
FIG. 14 is an elevational view ofFIG. 13 . -
FIG. 15 is an enlarged perspective view of the console. -
FIG. 16 is an enlarged perspective view of the console. -
FIG. 17 is an enlarged perspective view of the console. -
FIG. 18 is a front elevational view of the wiper assembly. -
FIG. 19 is a perspective view of the wiper assembly. - Referring now to the drawings,
FIGS. 1-19 , wherein the showings are for purposes of illustrating embodiments of the invention only and not for purposes of limiting the same,FIGS. 1, 2 , 5, and 12 show various views of anexercise device 10 in the form of atreadmill 12. It is noted that the present invention(s) may be used on any type of exercise equipment which utilizes belts, such as but not limited to a combination treadmill and stepper. Thetreadmill 12 comprises aframe 14 having afirst end 16 and asecond end 18. Theframe 14 shown includes afirst side rail 20 and an oppositely disposedsecond side rail 22 interconnecting thefirst end 16 and thesecond end 18. The treadmill further comprises afront roller 50, having afirst end 52 and asecond end 54. Thefront roller 50 may have ahole 56 extending through the front roller'slongitudinal axis 58. Anaxle 60 may be inserted into thehole 56 and connected to theframe 14 so that thefront roller 50 may be operatively connected to theframe 14. Further, arear roller 62 is oppositely disposed and substantially parallel to thefront roller 50. Therear roller 62 has afirst end 64, asecond end 66, and ahole 68 extending alonglongitudinal axis 70 that receivesaxle 69. Abelt 24 is trained about thefront roller 50 and therear roller 62. Thebelt 24 has aninner surface 26, and anouter surface 28, atop run 30 and abottom run 32. Thebelt 24 is trained about thefront roller 50, thesecond roller 62, and a deck 34 (shown inFIG. 12 ). Thedeck 34 is operatively connected to theframe 14 and it has atop surface 36 and abottom surface 38. Thetop surface 36 of thedeck 34 is adapted to contact or be in close proximity to theinner surface 26 of thetop run 30 of thebelt 24. At the first end the 16 of thetreadmill 12, a motor 40 (shown in schematic form inFIG. 5 ) is utilized to rotate thefront roller 50. Themotor 40 maybe any motor chosen in accordance with sound engineering judgment. Themotor 40 may have a transmission (not shown) in order to adjust thebelt 24 speed. Themotor 40 may have anoutput drive shaft 41 and may utilize adrive belt 43 operatively connecting thedrive shaft 41 to one of the ends of theaxle 60, as shown. As such, rotation of thedrive shaft 41 drives and rotates thefront roller 50, which in turn rotates thebelt 24. - With reference now to
FIGS. 1 and 2 , thefirst end 16 of thetreadmill 12 may include upwardly extendingarms 13 which extend from theframe 14 to terminate in aprotective shroud 44. Theshroud 44 may further comprise aconsole 110 which containspush buttons 112 for operating various programs while using thetreadmill 12. Theconsole 110 may be disposed between aleft wing 116 and aright wing 118.Cup holders 120 may also be integrated within theshroud 44. Also, bars 122 may extend outwardly between theconsole 110 and the left andright wings treadmill 12 may further comprise twohandles 114 operatively connected to the left andright wings deck 34. The length of thehandles 114 may be any length chosen with sound engineering judgment, and it is contemplated that they may extend as long as the length of the side rails 20, 22.Electrodes 124 may be provided for use in detecting heart rate, pulse and the like. Theelectrodes 124 may be mounted to thetreadmill 12 in any manner chosen with sound engineering judgment such as by mounting them to one of the bars 122 (as shown) or to one of thehandles 114. - With continuing reference to
FIGS. 1-2 and also toFIGS. 15-17 , additional optional features of theconsole 110 will now be described. Theconsole 110 includes ahousing 111, which has thebuttons 112 mounted thereon. Thebuttons 112 electrically communicate with a circuit board (not shown). The circuit board activates the motor 40 (illustrated inFIG. 5 ) in order to move thebelt 24 as described above. Theconsole 110 may comprise an incline gradation from one percent (1%) to twelve percent (12%) although other incline graduations chosen with sound engineering judgment can also be used. Similarly, the speed may range from one mile per hour to twelve miles per hour although other speeds and speed ranges chosen with sound engineering judgment can also be used. Various program keys are also included such that the user can push a button one time in order to achieve a desired workout. These may include, but are not limited to, a hill walk, a mountain pass, pike's peak, fat burning, walking, jogging, cardio burn, walking intensity, jogging intensity, hill intensity, and mountain intensity. Other push buttons may include target distance, target calories, target time, target elevation gain, pre-programmed user buttons, a weight loss button, and a cardio button. Afan 113 may be included on theconsole 110. - With reference now to
FIGS. 3-8 , a firstbelt tension mechanism 72 and a secondbelt tension mechanism 74 are shown. Having a mechanism to adjust belt tension results in longer treadmill belt life, and therefore, is often desirable. Over time, thebelt 24 stretches as a user walks, jogs, or runs on it at various speeds and under various loads. As such, the belt may stretch and the extra slack needs to be accounted for. In order to increase tension on thebelt 24, the distance between therear roller 62 and thefront roller 50 should be increased, in order to place appropriate tension on thebelt 24. It is contemplated to be within the scope of the present invention to adjust either the rear roller, 62, thefront roller 50, or both rollers. In one embodiment of the present invention, the firstbelt tension mechanism 72 comprises afirst rod 76 operatively connected to theframe 14, which may be at thefirst side rail 20, first protrusion means 78 for turning thefirst rod 76 and afirst indicator 80 adapted to track the number of revolutions of thefirst rod 76. Further, the secondbelt tension mechanism 74 comprises asecond rod 82, second protrusion means 84, and asecond indicator 86, which is configured similarly of the firstbelt tension mechanism 72. - The first and second
belt tension mechanisms first rod 76 and thesecond rod 82 without the use of a tool. As such, tools are not lost and themechanisms first indicator 80 and thesecond indicator 86 enable the user to easily identify whether or not the first and second ends 64, 66 of therear roller 62 have been moved the same distance relative to thefront roller 50. By enabling the user to easily identify the position of therear roller 62, meaning if it is substantially parallel to thefront roller 50, belt tension is even, which results in even wear and prolongs belt life. - With continuing reference to
FIGS. 3-8 , thefirst rod 76, the first protrusion means 78 and thefirst indicator 80 may be positioned on one side of thetreadmill 12 adjacent to thefirst side rail 20. Similarly, the secondbelt tension mechanism 74 including thesecond rod 82, the second protrusion means 84 and thesecond indictor 86 may be disposed adjacent to thesecond side rail 22. As shown in the FIGURES, the first and second protrusion means 78, 84 may take the form of aknob 88. Generally, a knob is easy for a user to grasp and rotate. Of course, any protrusion chosen with sound engineer judgment may be chosen, such as a bar, a ratchet or other similar mechanism. Any protrusion configuration which extends outwardly from thetreadmill 12 may be utilized. In one embodiment, the protrusion means 78, 84 may extend about ¼ inch to about 1 ½ inches outwardly past thesecond end 18 of thetreadmill 12. - Still referring to
FIGS. 3-8 , thefirst indicator 80 may compriseindicia 90 and anindication member 92. Theindication member 92 may be operatively connected to afirst end 69A of therear roller axle 69 and may be adapted to move relative to theindicia 90, as shown. In one embodiment of the present invention, theindicia 90 may be an alpha-numeric scale. In another embodiment of the present invention, theindicia 90 may be digital and could include an LCD display. Theindication member 92 may comprise a substantiallyhorizontal base 94 and an upwardly extendingportion 96 attached thereto. Ahorizontal pointer 98 may be attached to the upwardly extendingportion 96. Thehorizontal pointer 98 is adapted to move proximate the indicia 90 (the alpha-numeric scale, for example) as the protrusion means 78 is moved. Thesecond indicator 86 may be similarly designed. As shown inFIG. 5 , each of therollers axle axle 69 A 69B. Theaxle 69 of the rear roller has a pair ofholes holes first rod 76 and thesecond rod 82 pass through theholes rear roller axle 69. A U-shaped bracket 75 (shown inFIGS. 5 and 8 ) may be attached to the first side rail 20 (shown inFIG. 3 ) and may have a pair ofholes FIG. 5 and referenced inFIG. 8 ). Thefirst rod 76 of the firstbelt tension mechanism 72 extends through thehole 77 a, through thehole 71 in axle 69 (near thefirst end 64 of the rear roller 62) and then through thehole 77 b, as shown. In one embodiment, thefirst rod 76 has a first portion with a first diameter D1 and a second portion with a diameter D2, wherein D2 is less than D1. TheU-shaped bracket 75 may define acavity 91. Theaxle 69 can thus move along the axis of the first rod 76 (in a longitudinal direction with respect to the treadmill 12) within thecavity 91 in order to adjust belt tension. Further, the portion of therod 76 having diameter D1 may be threaded to engage the threadedholes 71 of therear axle 69. It should be understood that thesecond rod 82 of the secondbelt tension mechanism 74 is similarly constructed and operated. - Operation of the
belt tension mechanisms belt 34, the user turns the first protrusion means 78. This moves thefirst end 64 of therear roller 62 away from thefirst end 52 of the front roller. Next, the operator turns the second protrusion means 84. This moves thesecond end 66 of therear roller 62 away from thesecond end 54 of thefront roller 50. The user reads the firstvisual indicator 80 and compares it with the reading of the secondvisual indicator 86. This ensures that thefirst end 64 and thesecond end 66 of therear roller 62 are substantially equal distance from thefirst end 52 and thesecond end 54 respectively of thefront roller 50. If the first and secondvisual indictors belt 24 is being pulled in tension evenly across its width. However, if the first and secondvisual indicators visual indicators - With reference now to
FIGS. 5 and 9 -14, another feature of the present invention is described. As previously stated, thetreadmill frame 14 has afirst side rail 20 andsecond side rail 22 extending longitudinally between thefirst end 16 and thesecond end 18 of thetreadmill 12. In one embodiment of the present invention, thefirst side rail 20 has aspace 148 defined therein, which is adapted to provide access for maintenance. On occasion, theinner surface 26 of thebelt 24 should be cleaned and lubricated to decrease the amount of friction between thetop surface 36 of thedeck 34 and theinner surface 26 of thetop run 30belt 24. This reduces undo wear of thetreadmill belt 24. - In the embodiment of the present invention shown in
FIGS. 9-14 , anelongated strip 150 may be inserted into thespace 148 of thefirst side rail 20. Theelongated strip 150 may have afirst end 152 and asecond end 154. Thesecond end 154 may be inserted between thedeck 34 and thebelt 24 in order to spread lubricant between thedeck 34 and thebelt 24. It is also contemplated in another embodiment of the present invention that thesecond side rail 22 may also have asimilar space 148 defined therein. In one embodiment of the present invention, theelongated strip 150 has a length greater than or equal to the width of thebelt 24. It is also contemplated that themotor 40 move thebelt 24 while theelongated strip 150 is disposed between thebelt 24 and thedeck 34. The rotation of thebelt 24 enables distribution of the lubricant. - The
space 148 may be any size chosen in accordance with engineering judgment. The space defined in the side rails 20, 22 of theframe 14 may take any form chosen in accordance with sound engineering judgment, including, but not limited to a notch, a hole, or a groove. This alleviates the need for pulling and twisting thebelt 24 in order to place lubricant under thebelt 24. However, it is also contemplated that the side rails 20, 24 may be configured such that thespace 148 is located between the top of either (or both) side rails 20, 22 and thedeck 34. In one embodiment, thespace 148 has a width W substantially the same size as the width of thestrip 150 to therefore receive thestrip 150 yet limit the motion of thestrip 150 to the transverse direction, shown by arrow A. In another embodiment of the present invention, the width W of thespace 148 is large enough to receive theelongated strip 150 so that the strip can move in transverse direction A as well as the longitudinal direction, shown by arrow B. This space width W impacts the speed of lubricating thebelt 24. - In order to use this feature of the present invention, the
elongated strip 150 of thetreadmill 12 as described herein is provided. Theelongated strip 150 is inserted into thespace 148. Thestrip 150 is thus positioned between thedeck 34 and thebelt 24. The user then distributes the lubricant. When positioning theelongated strip 150 between thedeck 34 and thebelt 24, theelongated strip 150 may be disposed between theinner surface 26 of thetop run 30 of thebelt 24 and thetop surface 36 of thedeck 34. Alternatively, thespace 148 may be positioned lower on therail 20 and thus theelongated strip 150 may be disposed between thebottom surface 38 of thedeck 34 andinner surface 26 of thebottom run 32 of thebelt 24. As explained above, depending upon the size of thespace 148, the elongated strip maybe moved transversely (arrow A) and/or longitudinally (arrow B). As previously described, themotor 40 may rotate one of therollers belt 24. As such, the step of distributing lubricant may further include distribution of the lubricant by rotating thebelt 24 while themotor 40 is operating. - With reference now to
FIGS. 18 and 19 , another embodiment of the present invention is shown. Awiper assembly 156 is provided and is operatively connected to thetreadmill 12. Thewiper assembly 156 is adapted to selectively contact theinner surface 26 ofbelt 24 to remove debris therefrom and/or to spread lubricant thereon. Thewiper assembly 156 may include awiper blade 158 operatively connected to anelongated member 160. Thewiper blade 158 may be selectively positionable between a first contact position where thewiper blade 158 contacts theinner surface 26 of thebelt 24 and a second no-contact position where thewiper blade 158 does not contact theinner surface 26 of thebelt 24. The mechanism used to adjust thewiper blade 158 between the first and second positions can be any chosen with sound engineering judgment. In one embodiment, one or more springs (such as torsion springs) may be used to bias thewiper blade 158 into the second non-contact position. When desired, thewiper blade 158 can then be placed into the first contact position by turning or rotating ahandle 162 connected to theelongated member 160 and thereby overcome the biasing force of the spring(s). In another embodiment, thewiper blade 158 may simply be adjusted vertically between the first and second positions. With this embodiment no rotational movement and no springs are required. It should be noted that it is contemplated to use apermanent wiper blade 158 and, alternatively, to usereplaceable wiper blades 158. - The preferred embodiments have been described, hereinabove. It will be apparent to those skilled in the art that the above methods may incorporate changes and modifications without departing from the general scope of this invention. It is intended to include all such modifications and alterations in so far as they come within the scope of the appended claims or the equivalents thereof.
Claims (21)
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